document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=733810>Question 733810</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the cost.in dollars.Of publishing x books is C(x)=40.000 + 20x +0.0001x^2 .How many books can be published $250.000? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #448613 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20849)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=448613\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> given:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=C%28x%29=40000+%2B+20x+%2B0.0001x%5E2+ ALIGN=MIDDLE  ALT=\"C%28x%29=40000+%2B+20x+%2B0.0001x%5E2+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "$<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=C%28x%29=250000 ALIGN=MIDDLE  ALT=\"C%28x%29=250000\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "find <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x ALIGN=MIDDLE  ALT=\"x\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=250000=40000+%2B+20x+%2B0.0001x%5E2+ ALIGN=MIDDLE  ALT=\"250000=40000+%2B+20x+%2B0.0001x%5E2+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=250000-40000+=+20x+%2B0.0001x%5E2+ ALIGN=MIDDLE  ALT=\"250000-40000+=+20x+%2B0.0001x%5E2+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=210000+=+20x+%2B0.0001x%5E2+ ALIGN=MIDDLE  ALT=\"210000+=+20x+%2B0.0001x%5E2+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=++0.0001x%5E2%2B20x-210000=0+ ALIGN=MIDDLE  ALT=\"++0.0001x%5E2%2B20x-210000=0+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+ ALIGN=MIDDLE  ALT=\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%28-20+%2B-+sqrt%28+20%5E2-4%2A+0.0001%2A%28-210000%29+%29%29%2F%282%2A0.0001%29+ ALIGN=MIDDLE  ALT=\"x+=+%28-20+%2B-+sqrt%28+20%5E2-4%2A+0.0001%2A%28-210000%29+%29%29%2F%282%2A0.0001%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%28-20+%2B-+sqrt%28+400%2B84+%29%29%2F0.0002+ ALIGN=MIDDLE  ALT=\"x+=+%28-20+%2B-+sqrt%28+400%2B84+%29%29%2F0.0002+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%28-20+%2B-+sqrt%28+484+%29%29%2F0.0002+ ALIGN=MIDDLE  ALT=\"x+=+%28-20+%2B-+sqrt%28+484+%29%29%2F0.0002+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%28-20+%2B-+22%29%2F0.0002+ ALIGN=MIDDLE  ALT=\"x+=+%28-20+%2B-+22%29%2F0.0002+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "solution:<BR>\n" );
document.write( "we need only positive solution since we are looking for number of books\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%28-20+%2B+22%29%2F0.0002+ ALIGN=MIDDLE  ALT=\"x+=+%28-20+%2B+22%29%2F0.0002+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+2%2F0.0002+ ALIGN=MIDDLE  ALT=\"x+=+2%2F0.0002+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+10000+ ALIGN=MIDDLE  ALT=\"x+=+10000+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "  </SPAN>\n" );
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